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  2. Optics
  3. Optical Mirrors
  4. Laser Line Mirrors
  5. Borofloat 33 Laser Line Dielectric Mirrors
  6. 20D20DM.6

Dielectric Mirror, Laser Line, 50.8 mm, λ/10, 441.6 nm

  • Wavelength Region
    VIS
  • Wavelength Range
    441.6 nm
  • Mirror Shape
    Round
  • Diameter
    50.8 mm  
  • Material
    Borofloat® 33
  • Coating Type
    Laser Line Dielectric
  • Coating Code
    DM.6
  • Reflectivity
    Rs, Rp>99% @ 441.6 nm
  • Surface Quality
    15-5 scratch-dig
  • Surface Flatness
    λ/10 at 632.8 nm
  • Substrate Number
    20D20
  • Angle of Incidence
    0-45°
  • Clear Aperture
    ≥central 80% of diameter
  • Back Surface
    Ground
  • Thickness
    12.7 mm  
  • Thickness Tolerance
    ±0.25 mm
  • Diameter Tolerance
    +0/-0.13 mm
  • Chamfers
    0.38–1.14 mm face width
  • Chamfers Angle Tolerance
    45° ±15°
  • Cleaning
    See How to Clean Optics
  • Damage Threshold
    500 W/cm2 CW, 1 J/cm2 for 10 nsec pulses
Other